Lamp with sliding joint



Jan. 19, 1932. ARENBERG 1,841,352

LAMP WITH SLIDING JOINT Filed May 22, 1930 E4 54 zzaf/pr 4 WMflzSP'G mwmrap L 66 PE? Patented Jan. 19, 1932 "unit sTArEs ALBERT L. AB-ENIBERG,

on omeneo, ILLINOIS 1 LAMP wrrn SLIDING YJOINITVY v V Application filed m 22', This invention relates to an improved indirect floorlamp and has for one of its'prin-i.

cipal objects the provision of a simple yet i efiicient lamp for indirect illumination which 5 at the same time includes the-advantages of portability as embodied'in a floor ortable' lamp, and at the sametime constitutes an attractive article of furniture,

1 This application constitutes a furtherde velopment and an improved construction over my previous applications forpatent on lid 1 t -bl l dhdw'- sia ow ess p01 a e amps an s a 0 lessportable lamp with shadd, Serial Nos.

336,618 and 336,619 respectively, both filed January 31, 1929. i

One of the important objects of this'invention is the provision in an indirect portable lamp, having a conical type inverted reflector bowl, of means for removablysupporting the reflector bowl on the base, sai means embodying a sliding oint.

Another important object of this invention is the provision in an indirect lamp having 7 an inverted reflector bowl and av shade mounted thereon, of additional lighting means mounted on the bowl for illuminating the shade. l i 7 Still other and further important objects of the invention reside in improved means v for mounting the shade upon the reflector bowl, this mounting providing a, secure yet removable positioning. t

Other and further important objects of the s invention will be apparent from the disclolowing specification.

The invention, in a preferred form, is illusltrated in the drawings and hereinafter more m fully described. In the drawings: a

Figure 1 is a vertical sectional view of the sures in the accompanying drawings and fol- 1930. seen No. 454,722.

jFigure 6 isf'a detailsectional view 'illus- Crating amodification of the: connection between the reflector bowl and the ba'se.

Figure 7 illustrates a stillfurther. modification of the attachment between the reflec'to'r bowland the lampsocketbody'. a a Figure 8 shows still another shade mount mg, i

I Asshown in the drawings:

- The reference numeral 10 indicates gener-;

ally a standard fora-lamp which is preferably a portable lamp-of either the floor or table type, the upper end of the standard having mounted thereon a body 12 adapted for the: reception of a lamp socket 14, a switch cord 16 and various connecting wires 18 and '2O; a i The upperiend ofjthe body s outwardly flared to form a collar 22,"preferably integral I therewith; and shown in this instance'as hav-- ingparallel sides. I

A reflector bowl QLpreferably composed of metal andformedin any convenientlor desired shape, preferably somewhat conical i as shown in Figure 1 is fitted into the collar 22,1this fitting comprising a lower" extension on the refiectorbowlin theform' of afl 'lm which is of such dimensions as to securely yet slidably fit intoithe collar 22, The'interior of the reflector bowl 24 is polished so'as to di rect light rays from the globe 26 upwardly. and outwardlyontothe walls and ceiling of the room in which the lampxis used, thereby providing" for" indirect illumination as set forth in" my 1 previously filed co-pending ape ,pl-ications aforesaid. r v

A shad'e 28 whichmaybe ofgany shape I or size desired and which may include variv for the lamp, the shade as shown I ini-Figure 1 being providedrwith an uppercircular. rim 30 which i fits; over theiuppen edge 32 of the reflector bow'lf 24' which is preferably fitted as shown! In ordertoiiimiiinat the interior o flthe shade, a plurality "of additional sources of light 34 are provided, these being mounted 7 ous {ornamental features and may become a posed of any'suitable material is provided bowl 24.

38 being provided between the wires 20 and corresponding wires in the arms 86, these removable connections passing through suitable openings in the sides of the reflector Obviously, any desired number of these additional sources of light may be used, each having an operating switch 40, so that the intensity of the light on theshade may be varied as desired.

In Figures 2 and 3 is illustrated a modified means of mounting the shade upontheupper edge of the reflector bowl 24, theshade in this case having an upper rim 42 slightly larger than theupper beaded edge 32 of the reflector bowl and with inwardly extending supports or the like 44 connected tothe periphery thereof at three orfour points spaced therearound.

In Figures. 4 and 5 is illustrated a means for locking the shade in position on the reflectorhowl, the bowl in this instance shown as'provided with an outwardly flared collar 46 forming its upper rim and the upper edge 48 of the'shade being provided with a plurality of inwardly extending. bars 50 which support an: inner ring 52, this'ring 52 being in turn locked: inv position in the collar 46' by meansof aplurality of spring clips 54=1nounted at. suitable intervals about the inner upper edge of the reflector bowl.

FiguneS shows ashade 70'having an upper ring 72 connected by bars 74 to an inner ring 7 6 which rests on the upper edge of the reflector bowl, and is held in position by an annular collar 7 8' mounted beneath the bars 74 and adapted to slip over therim of the reflector bowl.

In Figure'6, the reflector bowl 556 is shown as'having anoutwardly flared collar 58 for its lower rim, this collar being adapted to shaped fit with a corresponding outwardly turned collar 66 formed integral with the upper edgeof the cluster body or support 68.

It will be'evident that herein isprovided a: lamp: for'indirectilluminating effects which in addition to providing a powerful source of light for illuminating the walls and ceiling of a room without castingany glare into the users eyes, also provides an attractive lamp similar-to the floorr'or table lampsnow in use, the same having a shade thereon adapted to be illuminated from the interior thereofiand thesource of shade illumination being sufflciently powerfulto provide additional downwardly. directed light" rays for the use of a person seated directly beneath the lamp, if such illumination is found desirable.

I am aware that many changes may be made and numerous details of construction varied throughout a wide range without departing from the principles of this invention, and I, therefore, do not purpose limiting the patent granted hereon otherwise than as necessitated by the prior art.

I claim as my invention:

In 'an indirect lamp, the combination of a base and a removable reflector, a sliding joint between the base and the reflector, said sliding joint comprising an integral collar at the lower end of the reflector and an annular extension on the base fitting into said collar, a source of light inside the reflector and other sources of light outside the reflector and mounted thereon, together withv .a shade surrounding said reflector and lights,

said shade mounted on and supported by said reflector, the supports for the shade comprising resilient inwardly extending clips mounted. in the shade and adapted to'be fitted over the upper rim of the bowl, and detachable current carrying connections for the outside lights.

In testimony whereof I affix my signature.

' ALBERT L. ARENBERG. 

